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6 Posts

06-04-2008

Indonesia

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  • Message 21 of 35

Re: T61 fan became noisy since few weeks causeless

2008-06-24, 13:58 PM
Hi wjli2, inspired by your suggestion, i found this video on metacafe
http://www.metacafe.com/watch/322147/fixing_your_noisy_pcs_fans/

My fan's sound was like that before it's fixed!
Maybe we can try to lubricate our fan when it start to become noisy...
The problem is the T61 fan is not as simple as the fan on the video (PC fan) to open :P




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7 Posts

05-23-2008

New York

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  • Message 22 of 35

Re: T61 fan became noisy since few weeks causeless

2009-01-21, 4:45 AM

Hey, thanks for the info. I successfully lubricated the cpu fan, and it works as new.

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31 Posts

12-09-2007

Cary, NC

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  • Message 23 of 35

Re: T61 fan became noisy since few weeks causeless

2009-04-26, 21:30 PM

 

I'm having the same problem as in this thread (T61 out of warranty too). I've considered buying the replacement fan+heatsink and installing it myself, but I see that cmho333 had some success lubricating the fan's ball bearing.

 

Any tips on how to do that? It seemed to me after looking at the T61 maintenance manual that this fan is different than the ones found in desktop  fans. 

 

Your help is much appreciated. 

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7 Posts

05-23-2008

New York

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  • Message 24 of 35

Re: T61 fan became noisy since few weeks causeless

2009-04-30, 3:54 AM

Sorry, I don't usually get on this forum. I have taken some photos and perhaps it will help you. Please understand that this solved my situation, but whether it applies to your situation, I don't know.

 

Please be careful not to mutilate any part of the fan. 

Notice that the CPU has the copper-color part and the silver-color part.

 

  1. You'll need some lubricant, the thicker the better. You'll also need thermal paste, and alcohol wipe to wipe the old thermal paste away.
  2. Basically follow the instruction from the offical T61 "Hardware Maintenance Manual" (page 92 and the the associated pages) to take out the CPU fan. Make sure that you have taken out all the necessary screws, you may need to pull with some force to take out the CPU fan unless the thermal paste is soft. Clean out the thermal paste.
  3. On the CPU Fan, notice there are some sponge taped to it, carefully peel off that; but you need to remember where it belongs so that you can re-tape it when you are done. Also, release the wires carefully. (pic
  4. Notice there are some metallic-foil on the CPU. Peel the foil off from the silver-colored part of the CPU fan assembly. Leave the foild attached to the copper part. (pic)
  5. Then, you can separate the copper-colored part and the silver-colored part. (pic)
  6. Then, lift up the black fan from the silver-colored part. (pic)
  7. Use a clean wipe to clean off the stalk of the black fan. (pic)
  8. Then, you need to clean out the hole from the silver part, where the stalk goes to. I twisted a small piece of wipe(pic). Then I twisted it around to clean it thoroughly (pic).
  9. Then I applied one drop of lubricant on the tip of the pole. You don't want too much, so you can soak up the excess with a paper towel. I don't know what lubricant is good, some youtube video used some thick motor lubricant.
  10. Then, retrace your steps to assemble the CPU fan.  (pic)

 

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21115 Posts

12-20-2008

Australia, Melbourne

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  • Message 25 of 35

Re: T61 fan became noisy since few weeks causeless

2009-05-01, 13:21 PM
very nice job cmho333. I think many people will find this guide you wrote and illustrated useful down the track. 
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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31 Posts

12-09-2007

Cary, NC

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  • Message 26 of 35

Re: T61 fan became noisy since few weeks causeless

2009-05-03, 23:39 PM

cmho333 -- much thanks. I followed your excellent guide yesterday and lubricated my T61 fan (7662-CTO, 1.5 years old). No more rattling or weird noises! I was also amazed at how much dust and lint i removed after disassembling the fan....wow.

 

A little extra note to your guide -- I scrubbed off the old thermal grease from both the heatsink and the CPU before using Artic Silver  when reinstalling. I did that to ensure a smooth and good fit between heatsink and the CPU. 

 

Thanks again. Your guide gave me the confidence to do this kind of surgery and my wallet is also appreciative too. :)

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7 Posts

05-23-2008

New York

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  • Message 27 of 35

Re: T61 fan became noisy since few weeks causeless

2009-05-05, 19:08 PM

Yeah, thanks for addressing that...

We really need to replace the old thermal paste. A good way to remove the thermal paste is to use alcohol+wipe. 

When attempting to open up the fan assembly, you need to release the wiring first. There are also "clamp projections" from the copper-colored end that need to be released first.

Of course, thermal paste need to be applied before putting back the fan assembly in.

 

I also realized that a humid environment really increases the tendancy of trapping dust.... so.... good luck. 

 

Glad that it helps. 

 

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31 Posts

12-09-2007

Cary, NC

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  • Message 28 of 35

Re: T61 fan became noisy since few weeks causeless

2009-05-05, 20:18 PM
Yeah. I noticed today that the noises are coming back...although much more intermittently. I will say that removing all the dust and lint has improved thermal performance significantly -- much less heat all around. Might end up buying the heatsink+fan replacement part....
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3 Posts

03-02-2010

Clertmont Ferrand, France

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  • Message 29 of 35

Re: T61 fan became noisy since few weeks causeless

2010-03-05, 12:23 PM

Hello

 

my T61 7663  show fan error when i start it, i hve opned the keyboarb to clean the fan, but i can't totally remove the fan. I think i have to replaced another new fan;

 

So can anyone show me where i can by the new fan? or can i do anythink

 

Thanks

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2 Posts

03-05-2010

Gainesville FL, USA

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  • Message 30 of 35

Re: T61 fan became noisy since few weeks causeless

2010-03-06, 21:33 PM

My T61 (type 7662-CTO) has same fan problem. because I am out of warranty now, I have to replace the fan by myself. I have some questions:

 

1. I cannot find the fan type for T61, although I searched in this forum. somebody said that it is a Toshiba fan. Who can tell me where and which fan should I order from internet?

 

2. What kind of lubricant should I use. Is WD-40 all right?

3. If I am not in warrant but I still want to ask some questions from Lenovo custom service, such as above questions, Which phone number can I call? I called 800-426-7378, but it is just for the laptop under warranty

 

Thank you very much!

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